Switch-rod.



H0. $48.68!. Patent-ed m I, I906, F. a. BRADLEY.

' SWITBH ROD.

[Application filed Ear. 1, L900.)

2 Munch-Sheet L (No Mudelm 2 sheets-Sheet 2.

(No Model.&

UNITED STATES PATENT OFFIC ems-n n.

or cinema, uJ-axms.

SWITCH-ROD.

srnoimcA'rron forming art of Letters Patent No. 648,681, dated May 1; igno- 1 application filed March 1, 1900.

wlie it known that I, FRANK l3 BRADLEY, acit-izen-of the United States, residing at Ulric-ago, in the county of ook and'State of Illinois; have invented certain new"ainl useful Improvements in Switch-Rods, of which the following is'a spccifieatin.' p

.My invention relates to railway-Snitches; and has reference particular] y'to certain new and useful iin 'n'o'vemeiits in switeh-rods'dcsigned for adjustably connecting thc switehits rails, so that the proper-position of the latter, with reference to the track-rails, may be aceu lately and positively maintained at all times.

one object of my iuvontimi, is to provide simple and inexpensive meansl'or quickly and oasilyadjns'tingthoswitch-rails to bring them into proper relationto the track-rails 'and'to take up any wear which n ayg'iecur from their frequent use.

I Another i'm proper position and which will rigidly maintain the switch-rails in their proper relation to the track-rails under all circumstances.

A further object ot the invention is to proadapted to be located and arranged within a jawou tho switch-rod, being provided with an eccentric opening and a bolt by means oi which it is cccentrically secured to the switchrod and forming a rigid connection between the chair and the switch-rod.

In tho-accompanying drawin ,--'s Figure l is a plan view. of a section of railroad-track, illustrating my invention applied to a switch. Fig. :3 is a sectional viewon the line 2 of Fig, 1. Fig, 3 is'an enlarged sectional view more fully illustrating my invention. Fig. tis a horiportan-t objcctot its invention" is to provide simple means which can be readjily manipulated to adjust theswitch-railsin- Serial No. 6,906.. No model- Zontal sectional view on the line -l 4, Fig. 3. Figs. 5 and '3 are respectively top and side views of the adjusting-block. In the drawings like letters of reference denote corresponding parts in all of the figures, and referring thereto i.lesignatcs the trackrails, l3 the svvitclnrails, and (J the switch-' red, one or more of which maybe employed 6o and with which my invention is embodied. The swi teh-rodpreterably extends under both rails and between two of the ties, and it IS is provided with earsf or plates F, which form, 'with'therod, jaws located between the railis and adapted to receive the chairs G, whiclf' are suitably fastened in any desired manner tothe switch-rails. j

' The'ehairs Gare each provided'with a p0,; lygonal opening ll, adapted to l'ecei ve the ad- 7 dusting b1 4 1? or plate I, which is polygonal v in shape and adapted to be easily arran ed 'in t'he'soeket ot the chair and be locked againstv any rotary movement thereinhyi'eason of its 7 angula'r shape, The block is provided with ancceentrically loeated bolt opening J to receive theibolt lQzwhich also vpasses through openings in theswitch rod' audits jaw-plate Fiso as "to rigidly secure the block inthe-chain and within the jaw, th'ns'forminga fixed eon- 8o nectien between the chair and the switch-rod. To facilitate the insertion and removal of this block in the chair-opening, I provide the block with a flange L, which rests upon the-chair whenthe' block is fitted in its opening.

\Vhile' my improved adjusting device may be constructed so that only one will be necessary For each switch-rod, I prefer to use one for eaeh rail in the manner illustrated in the drawings, and, furthermore, I would have it understood that 'I do not limit myself to a block having the exact number of sides, as shownin the drawings, as it'wonld be obvious to those skilled in the art that blocks having any number of equal straight or curved 9 5 sides can be used with chairs having correspondingly-formed opei1ings,-'t.lie number of sides the block has governing,- of course, the

lineuess of adjustment ot' the snitch-rails.

it will be apparent from the foregoi'ngdc- 1.0a

's'cription and the accompanying drawings that the switch-rails can be readily adjusted by manipulating: the blocks, as it will be un derstood that this ndjusiing-bhmk has an n centrie' rclzttion to the chair, and therefore by removing the bolt and the block and turning the block more or less and replacing it in the opening H and securing the bolt in place will. result in moving the chair. farther out or into the jaw M, Fig. 3. As the sides and angles of the block are equal and correspond to the wall of the opening in the chair the insertion of the block in the chair can be accomplished easily and qniekly and then it is a simple matter to arrange the-bolt in its proper position. The block and chair therefore have, in eile'ct, an eccentric relation to the switch-rod; but s it is essential to maintain the chair in substantialalinenient with the switch-i-od it becomes necessary to provide an elementsimilar to the cccentricjblock', which can be removed from the chair temporarily and turned instead of moving the chair itself. The shape of the block causes it to be locked rigidly in place in the opening in the chair, and at the same time it can be readily and ea'silyremoved whenever an adjustment of the s witch:

mils becomes necessary. It wiil also be observed that the adjusting-block is held in place by the bolt K between the switch-rod and the plate F-that is to say, in the jaw of the switch-r0d:indbeing so arranged it will be, impossible for the block to become disconn'cct-ed fromthe chair as long-as the bolt remains in place; but when the bolt-is removed the switch-rod can he moved sidewise toperinit of the block being readjusted in the chair.

Having thus fully described my invention, what I claim, and desire to secure by Letters Patent, is-- 1. The combination with e switch-rail and a switch-rod, provided with ajaw, of a, chair rigidly secured to the switch-rail at one end and having its other end extending longitu dinally of the switchrod' int'o'the jaw and provided with :t polrgonol opening vtherein; an adjustable block shaped to correspond with the opening in the chair and adapted to be arranged therein and provided with an e0 centric bolt-holeseid block being also located in said jaw and a bolt extending through the jaw of the switch-rod, the chztir, and the ee centric hole in the adjusting-block, substantially as described.

2. The combination with a, switch-rail and aswitch-rod, of a plate fastened to the switchrod and extendinglongitudinally thereof to form a jaw with the rod, a chair secured at one end to the switch-rail and havingits other end provided with a polygonal opening'end adapted to be adjusted in said jaw, an adjusiing-block of pol ygouel shape arranged in the jaw adapted to be snugly fitted inthe opening in the chair and providedwith an cecentric hole and a. bolt passing through the switch-rod, the plate and the eccentric hole in the block for holding said chair and block in place between the switch-rod and the plate, substantially as described. i

' 3. The combination with a switch-rail and a, switch-rod,of a jaw formed on the switch rod, a; chair secured at one end to the switchin its other end, an adjusting-block of polygflange on said block, the block being provided 'railand provided with a polygoiiel opening 7o onal shape adapted tobe arranged in the with an eceentrically-disposed bolt-hole and-{ a bolt passing through the switch-rod, the I plate and the opening in the block, substantially as described.

FRANK I BRADLEY. .Vlitnesses: F I

- 0-. L. WOOD,

f. N. RAYMOND; 

